WO2017137441A1 - Procédé pour transformer des réactifs hydrocarbonés avec un brûleur débouchant dans le réacteur pour produire de la vapeur d'eau et de la chaleur - Google Patents

Procédé pour transformer des réactifs hydrocarbonés avec un brûleur débouchant dans le réacteur pour produire de la vapeur d'eau et de la chaleur Download PDF

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Publication number
WO2017137441A1
WO2017137441A1 PCT/EP2017/052763 EP2017052763W WO2017137441A1 WO 2017137441 A1 WO2017137441 A1 WO 2017137441A1 EP 2017052763 W EP2017052763 W EP 2017052763W WO 2017137441 A1 WO2017137441 A1 WO 2017137441A1
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Prior art keywords
fluid stream
reactor
burner
water vapor
heat
Prior art date
Application number
PCT/EP2017/052763
Other languages
German (de)
English (en)
Inventor
Heinz Zimmermann
Gunther Schmidt
Original Assignee
Linde Aktiengesellschaft
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Filing date
Publication date
Application filed by Linde Aktiengesellschaft filed Critical Linde Aktiengesellschaft
Publication of WO2017137441A1 publication Critical patent/WO2017137441A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/02—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with stationary particles, e.g. in fixed beds
    • B01J8/0285—Heating or cooling the reactor
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • C01B3/24—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons
    • C01B3/26—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds of hydrocarbons using catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/384—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts the catalyst being continuously externally heated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
    • F23D14/32—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid using a mixture of gaseous fuel and pure oxygen or oxygen-enriched air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00176—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles outside the reactor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00265—Part of all of the reactants being heated or cooled outside the reactor while recycling
    • B01J2208/00274—Part of all of the reactants being heated or cooled outside the reactor while recycling involving reactant vapours
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00504—Controlling the temperature by means of a burner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/0053—Controlling multiple zones along the direction of flow, e.g. pre-heating and after-cooling
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0211—Processes for making hydrogen or synthesis gas containing a reforming step containing a non-catalytic reforming step
    • C01B2203/0216—Processes for making hydrogen or synthesis gas containing a reforming step containing a non-catalytic reforming step containing a non-catalytic steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/02—Processes for making hydrogen or synthesis gas
    • C01B2203/0205—Processes for making hydrogen or synthesis gas containing a reforming step
    • C01B2203/0227—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step
    • C01B2203/0233—Processes for making hydrogen or synthesis gas containing a reforming step containing a catalytic reforming step the reforming step being a steam reforming step
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/04—Integrated processes for the production of hydrogen or synthesis gas containing a purification step for the hydrogen or the synthesis gas
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0822—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel the fuel containing hydrogen
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/08—Methods of heating or cooling
    • C01B2203/0805—Methods of heating the process for making hydrogen or synthesis gas
    • C01B2203/0811—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel
    • C01B2203/0827—Methods of heating the process for making hydrogen or synthesis gas by combustion of fuel at least part of the fuel being a recycle stream
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/12—Feeding the process for making hydrogen or synthesis gas
    • C01B2203/1205—Composition of the feed
    • C01B2203/1211—Organic compounds or organic mixtures used in the process for making hydrogen or synthesis gas
    • C01B2203/1235—Hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/16—Controlling the process
    • C01B2203/1695—Adjusting the feed of the combustion
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B2203/00—Integrated processes for the production of hydrogen or synthesis gas
    • C01B2203/80—Aspect of integrated processes for the production of hydrogen or synthesis gas not covered by groups C01B2203/02 - C01B2203/1695
    • C01B2203/84—Energy production
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
    • F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Definitions

  • the invention relates to a process for the preparation of reaction products in which one or more hydrocarbon reactants, water vapor and heat are fed to a reactor, according to the preamble of patent claim 1.
  • burners are typically used which operate using suitable hydrocarbon based fuels, particularly corresponding fuel gases.
  • suitable hydrocarbon based fuels particularly corresponding fuel gases.
  • a disadvantage resulting from the use of such burners or from the use of corresponding fuels, is therefore naturally that during combustion emissions such as nitrogen oxides and carbon dioxide arise.
  • Another disadvantage is that in this case only a partial use of the heat generated is possible because both the
  • a steam generator for generating water vapor by combustion of hydrogen with oxygen is known. Water can be injected into the reaction gases. Downstream of a combustion zone, a catalytic post-combustion zone is arranged.
  • DE 10 2012 219 755 A1 likewise discloses a steam generator in which hydrogen and oxygen are added with the addition of Water is burned in a combustion chamber. The water is passed in liquid in a common volume flow with the oxygen in the combustion chamber.
  • EP 0 287 238 A2 discloses a catalytic burner to which a steam-hydrocarbon mixture is supplied via a jacket tube and air via a central tube.
  • EP 1 767 264 A1 discloses a reformer for a fuel cell. Oh here is a water vapor-hydrocarbon mixture is catalytically converted.
  • the invention therefore has as its object to improve corresponding processes for the preparation of reaction products, in particular with regard to the efficiency of the heat supply.
  • the present invention is based on the finding that it is particularly advantageous in a process for preparing reaction products in which one or more hydrocarbon reactants, water vapor and heat are fed to a reactor, and in which the hydrocarbon reactant (s) in the reactor is catalytic or non-catalytic at least in part to the reaction products are implemented to provide the steam and the heat at least in part using at least one opening into the reactor burner in which hydrogen is burned with oxygen, and in which by means of combustion heat generated by the combustion heats a vapor stream becomes.
  • the burner (s) discharging into the reactor open directly into the reactor, ie between one burner formed in the burner (s)
  • Combustion zone and a reaction space of the reactor is formed no gas-tight barrier.
  • the reaction space of the reactor is in particular the area in which the hydrocarbon reactant (s) are reacted.
  • the reaction space can also be a catalyst bed in a suitable structuring.
  • the present invention thus does not relate to reactors in which only reaction tubes (in the interior of which a reaction space is defined) are heated from the outside by means of burners.
  • burners In principle, one or more burners can be used in the context of the present invention; the invention is also not limited to the steam and heat supply exclusively by means of one or more corresponding burner. Basically, under the
  • the term "predominantly” denotes a content or proportion of at least 50%, 60%, 70%, 80%, 90%, 95%, 99% or 99.9%.
  • the burner is supplied with a first fluid stream containing at least 80 mol% of oxygen, a second fluid stream containing at least 80 mol% of hydrogen and a third fluid stream containing at least 80 mol% of water vapor concentrically with one another.
  • Burners to which corresponding fluid flows can be supplied, are referred to in certain structural design as Jetbrenner and are basically known from the prior art.
  • relevant patent and technical literature for example US 2008/0083537 A1 and US Pat. No. 4,074,708 A. Because advantageously only hydrogen is burnt with oxygen in the burner used according to the invention, but no nitrogen is present, the problem of nitrogen oxide formation explained at the outset no longer arises here. It should be emphasized, however, that if, for example, due to the temperatures used, a lower risk of nitric oxide formation is the first
  • Fluid flow and a fluid flow can be used, which does not consist exclusively of oxygen, but may also contain a portion of nitrogen.
  • This may be, for example, "blurred" decomposed air from an air separation plant, which can be operated for this purpose energetically particularly favorable.
  • no fossil or hydrocarbon-based fuels are burned in the burner used according to the invention, so that no carbon dioxide emissions result.
  • Combustion flame which is flowed around concentrically by the third fluid stream implemented.
  • the heat supplied to the reactor comprises according to the invention in the
  • the water vapor supplied to the reactor comprises the water vapor from the third fluid stream and the water vapor formed during the non-catalytic combustion.
  • the entire heat of combustion released in the non-catalytic combustion is supplied to the reactor.
  • a part or all of the heat of combustion can be transferred to the steam and fed with this to the reactor.
  • Part of the heat of combustion can also reach the reactor, for example in the form of radiant heat. It is particularly advantageous, as also explained below, that the heat provided by means of the burner can be metered by the amount of water vapor added in the form of the third fluid stream and the temperature level adjusted.
  • the heat introduced with a corresponding burner can be better utilized in comparison with a conventional burner. This is due to the fact that the heat of combustion of the Hydrogen is completely introduced into the reactor and is not carried out by a limited heat transfer through a reactor wall. Conventionally, in contrast to the present invention, the sensible heat of the combustion exhaust gases is not predominantly transferred to the reactor.
  • At least one central combustion flame is generated in or in at least one of the burners using the first and the second fluid flow, in particular using one or more burner nozzles, which is surrounded concentrically by the third fluid flow.
  • a concentric flow around one or more central burner flames can be realized in particular by using a perforated jacket tube into which the water vapor of the third
  • Fluid flow occurs, and in which he is sucked in from the burner flame or its exhaust gas and entrained there.
  • the third fluid stream is guided at least in a section of the burner or one of the burners using a perforated jacket tube surrounding the burner flame. In this way, both a direct (convective) heat transfer to the water vapor as well as a heating by means of radiant heat can take place.
  • superheated steam is formed in the context of the present invention.
  • the third fluid flow is predominantly or exclusively formed from saturated steam, which is overheated in the burner or at least one of the burners.
  • an amount of water vapor supplied via the third fluid stream can be adjusted by adjusting an amount of water vapor supplied via the third fluid stream.
  • a control device that can be used in a corresponding system, can regulate the amount and temperature of the water vapor accordingly.
  • At least one adiabatically operated reactor can be used. It is also possible to use at least two reactors and / or a reactor subdivided into at least two regions, wherein the
  • Reactors or the areas of the reactor are each heated with at least one of the burner, which open into the reactors or corresponding areas.
  • This hydrogen can be separated according to a particularly preferred embodiment of the invention, at least in part and transferred to the second fluid stream. In this way, a meaningful use of the resulting in the chemical reaction of hydrogen is possible.
  • methane in the chemical reaction, for example in a steam cracking process, methane can also be formed, which is at least partially separated and energetically used in the provision of the first fluid stream can be.
  • a gas turbine can be operated, which drives a compressor, which in turn can be used to operate an air separation plant used to provide the first fluid stream.
  • Catalytic or non-catalytic processes can be used in the context of the present invention.
  • the reactor can be provided with or without a catalyst.
  • the present invention can be carried out, for example, together with a process of steam reforming or dehydrogenation of at least one hydrocarbon, for example a propane or butane dehydrogenation.
  • the present invention is suitable for reactions which occur at higher temperatures, in particular at temperature levels of more than 550 ° C, with the participation of water vapor.
  • the present invention can also be used in the
  • hydrocarbon reactants used in the present invention include, for example, methane, which is suitable for a
  • steam reforming is suitable for processing all of these hydrocarbon reactants.
  • FIG. 1 illustrates a method according to an embodiment of the invention.
  • Figure 2 illustrates a burner for use in a method according to an embodiment of the invention.
  • FIG. 1 shows a process for the chemical reaction of one or more
  • Hydrocarbon reactants with supply of hydrogen and heat according to a particularly preferred embodiment of the invention illustrated in the form of a schematic flow chart and designated as a whole by 10.
  • the method 10 comprises the use of a burner, here schematically designated 1, of a reactor operated in particular adiabatically, here illustrated in a simplified manner with FIG. 2, and of an energy recovery device, here illustrated in a simplified manner with FIG. Furthermore, the method 10 includes the use of a
  • Separating device 4 in which a downstream flow of the reactor 2 can be at least partially separated into its components.
  • the burner is a predominantly or exclusively oxygen-containing first fluid stream, here denoted by a, a predominantly or exclusively hydrogen-containing second fluid stream, here denoted by b, as well as a predominantly or exclusively water vapor-containing third
  • Fluid flow here denoted by c supplied.
  • the hydrogen of the fluid stream b is reacted, for example, but not necessarily stoichiometrically, with oxygen of the fluid stream a.
  • one or more burner flames are generated, which flows around the water vapor of the fluid stream c and are heated in this way.
  • the sensible heat and the temperature of the fluid flow d can, as also mentioned several times, in particular also be supplied by the amount of fluid c introduced via the fluid flow
  • one or more hydrocarbon reactants and optionally further for the reaction carried out in the process 10 required components fed to the fluid stream d or fed together with this in the reactor 2.
  • the burner 1 opens in any case in the reactor. 2
  • the reactor 2 is, as mentioned, operated in particular as an adiabatic reactor, i. the reactor 2 is supplied to the heat, which is transferred via the fluid flow d in the reactor, no further heat.
  • the temperature in the reactor thus changes in the flow direction.
  • the reactor may be formed, for example, as a tubular reactor, which can be operated catalytically and / or non-catalytically.
  • a plurality of reaction zones or reaction areas may be provided which favor different chemical reactions. It is also possible, as mentioned, to divide the reactor 2 into a plurality of reactors, and thus to achieve optimum temperature control by means of stepped heat supply in the case of strongly endothermic reactions.
  • a fluid stream f is withdrawn, which is supplied to the energy recovery unit 3 in the example shown.
  • the energy recovery unit 3 may comprise, for example, a waste heat steam generator.
  • Energy recovery unit 3 can be generated, for example, using appropriate steam electrical energy.
  • Energy recovery unit 3 recovered from this executed energy is illustrated in Figure 1 with an arrow g.
  • a fluid flow h is transferred to the separation device 4, in which one or more product streams, for example olefin-containing fluid streams, can be separated from the fluid flow h.
  • product streams for example olefin-containing fluid streams
  • Product streams are designated i in FIG. Which product streams i are formed depends on the chemical reaction carried out in the reactor 2. In addition to the product streams shown and other fluid streams, additional fluid streams can also be formed which can be used as products and / or discarded.
  • a predominantly or exclusively hydrogen-containing fluid stream k is separated off in the separating device 4. This can be used with a likewise used to provide the second fluid stream b, predominantly or only hydrogen-containing fluid stream I are combined. In this way, the hydrogen recovered in the separator 4 can be used in the process itself.
  • a predominantly or exclusively steam-containing fluid stream m is formed in the separator 4 in the illustrated example. This can be combined with a fluid stream n used to form the third fluid stream c. In this way, the water vapor in the inventive
  • FIG. 2 schematically shows a burner for use in a method according to a particularly preferred embodiment of the invention, for example the method 10 of FIG. As there, the burner is designated 1. Via a suitable line 1 1, the burner 10, the predominantly or exclusively oxygen-containing first fluid flow a can be supplied.
  • the burner can be supplied via a further line 12 of the predominantly or exclusively hydrogen-containing second fluid stream.
  • the burner 10 further comprises a region 13 concentrically surrounding the first line 11 and the second line 12, in which the third fluid stream c containing predominantly or exclusively steam is passed.
  • the area surrounding the first line 1 1 and the second line 12 13 is formed in the example shown by an outer shell 14 of the burner, which in
  • the burner 10 includes a
  • Nozzle unit 15 in which via the first line 1 1, the first fluid flow a, and via the second line 12, the second fluid stream b are fed. By means of the nozzle unit 15, one or more burner flames are generated.
  • the burner flame (s) burns or burn within a jacket tube 16, which has a perforation and delimits the space within which the third fluid flow c is guided with respect to the region of the burner flame (s).
  • the jacket tube 16 has a distal opening 17, can exit via the exhaust gas of the burner.
  • the water vapor of the third fluid stream c can enter the jacket tube 16 and is there and by the jacket tube 16th
  • a temperature of the burner exhaust gas and the water vapor exiting the opening 17 can be adjusted.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydrogen, Water And Hydrids (AREA)

Abstract

L'invention concerne un procédé (10) pour la préparation de produits de réaction, selon lequel un réacteur (2) est alimenté en un ou plusieurs réactifs hydrocarbonés, en vapeur d'eau et en chaleur et selon lequel le ou les réactifs hydrocarbonés sont transformés dans le réacteur, au moins en partie, en produits de réaction. Selon l'invention, la vapeur d'eau et la chaleur sont mises à disposition au moins en partie par l'utilisation d'au moins un brûleur (1) débouchant dans le réacteur, qui est alimenté, de manière concentrique les uns par rapport aux autres, en un premier flux de fluide (a) contenant au moins 80 % en mole d'oxygène, un deuxième flux de fluide (b) contenant au moins 80 % en mole d'hydrogène et un troisième flux de fluide (c) contenant au moins 80 % en mole de vapeur d'eau. Dans ledit au moins un brûleur (1), au moins une partie de l'oxygène du premier flux de fluide (a) est transformée avec au moins une partie de l'hydrogène du deuxième flux de fluide (b) dans une combustion non catalytique avec formation d'au moins une flamme de combustion centrale, qui est entourée par un écoulement concentrique du troisième flux de fluide (c), la chaleur introduite dans le réacteur (2) comprenant de la chaleur de combustion libérée lors de la combustion non catalytique et la vapeur d'eau introduite dans le réacteur (2) comprenant la vapeur d'eau provenant du troisième flux de fluide (c) et la vapeur d'eau formée lors de la combustion non catalytique.
PCT/EP2017/052763 2016-02-08 2017-02-08 Procédé pour transformer des réactifs hydrocarbonés avec un brûleur débouchant dans le réacteur pour produire de la vapeur d'eau et de la chaleur WO2017137441A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16154690.8 2016-02-08
EP16154690.8A EP3202710A1 (fr) 2016-02-08 2016-02-08 Procede de transformation chimique d'un ou plusieurs reactifs d'hydrocarbures

Publications (1)

Publication Number Publication Date
WO2017137441A1 true WO2017137441A1 (fr) 2017-08-17

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DE102021103247A1 (de) 2021-02-11 2022-08-11 Vaillant Gmbh Verfahren und Anordnung zur Reduzierung einer Verbrennungstemperatur bei der Verbrennung von Wasserstoff und Luft in einem Heizgerät

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EP0287238A2 (fr) 1987-04-13 1988-10-19 Imperial Chemical Industries Plc Procédé et appareil pour la production d'un courant gazeux chaud et sous pression par une combustion catalytique
DE19955892A1 (de) * 1999-11-20 2001-06-13 Daimler Chrysler Ag Verfahren und Vorrichtung zur Reformierung eines Kohlenwasserstoffs mit langkettigen Kohlenwasserstoffanteilen
DE10243250A1 (de) 2002-09-17 2004-03-25 Alstom (Switzerland) Ltd. Verfahren zum Erzeugen von Wasserdampf, insbesondere Reinstwasserdampf sowie Dampferzeuger
EP1767264A1 (fr) 2005-09-21 2007-03-28 J. Eberspächer GmbH Co. KG Réformeur pour une pile à combustible dans un véhicule
US20080083537A1 (en) 2006-10-09 2008-04-10 Michael Klassen System, method and apparatus for hydrogen-oxygen burner in downhole steam generator
US20080141675A1 (en) 2006-12-14 2008-06-19 Texaco Inc. Hybrid Combustor for Fuel Processing Applications
DE102012219755A1 (de) 2012-10-29 2014-04-30 Thyssenkrupp Marine Systems Gmbh Verfahren zum Erzeugen von Wasserdampf

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Publication number Priority date Publication date Assignee Title
US4074708A (en) 1976-06-07 1978-02-21 Combustion Engineering, Inc. Burning hydrogen and oxygen to superheat steam
EP0287238A2 (fr) 1987-04-13 1988-10-19 Imperial Chemical Industries Plc Procédé et appareil pour la production d'un courant gazeux chaud et sous pression par une combustion catalytique
DE19955892A1 (de) * 1999-11-20 2001-06-13 Daimler Chrysler Ag Verfahren und Vorrichtung zur Reformierung eines Kohlenwasserstoffs mit langkettigen Kohlenwasserstoffanteilen
DE10243250A1 (de) 2002-09-17 2004-03-25 Alstom (Switzerland) Ltd. Verfahren zum Erzeugen von Wasserdampf, insbesondere Reinstwasserdampf sowie Dampferzeuger
EP1767264A1 (fr) 2005-09-21 2007-03-28 J. Eberspächer GmbH Co. KG Réformeur pour une pile à combustible dans un véhicule
US20080083537A1 (en) 2006-10-09 2008-04-10 Michael Klassen System, method and apparatus for hydrogen-oxygen burner in downhole steam generator
US20080141675A1 (en) 2006-12-14 2008-06-19 Texaco Inc. Hybrid Combustor for Fuel Processing Applications
DE102012219755A1 (de) 2012-10-29 2014-04-30 Thyssenkrupp Marine Systems Gmbh Verfahren zum Erzeugen von Wasserdampf

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021103247A1 (de) 2021-02-11 2022-08-11 Vaillant Gmbh Verfahren und Anordnung zur Reduzierung einer Verbrennungstemperatur bei der Verbrennung von Wasserstoff und Luft in einem Heizgerät

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